JPS5697814A - Indicator for degree of approach - Google Patents

Indicator for degree of approach

Info

Publication number
JPS5697814A
JPS5697814A JP17448180A JP17448180A JPS5697814A JP S5697814 A JPS5697814 A JP S5697814A JP 17448180 A JP17448180 A JP 17448180A JP 17448180 A JP17448180 A JP 17448180A JP S5697814 A JPS5697814 A JP S5697814A
Authority
JP
Japan
Prior art keywords
indicator
approach
degree
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17448180A
Other languages
English (en)
Japanese (ja)
Inventor
Donarudo Beikaa Piitaa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Publication of JPS5697814A publication Critical patent/JPS5697814A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP17448180A 1979-12-11 1980-12-10 Indicator for degree of approach Pending JPS5697814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7942606 1979-12-11

Publications (1)

Publication Number Publication Date
JPS5697814A true JPS5697814A (en) 1981-08-06

Family

ID=10509757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17448180A Pending JPS5697814A (en) 1979-12-11 1980-12-10 Indicator for degree of approach

Country Status (5)

Country Link
US (1) US4384819A (enrdf_load_stackoverflow)
JP (1) JPS5697814A (enrdf_load_stackoverflow)
DE (1) DE3044242A1 (enrdf_load_stackoverflow)
FR (1) FR2471580B1 (enrdf_load_stackoverflow)
GB (1) GB2065410B (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63167032A (ja) * 1986-12-24 1988-07-11 ゼネラル・エレクトリック・カンパニイ ガスタービン機関
US4869670A (en) * 1986-08-14 1989-09-26 Yazaki Corporation Wire harness arrangement for automotive vehicle
US4907836A (en) * 1984-08-20 1990-03-13 Yazaki Corporation Wire harness mounting structure for motor vehicle door
JP2005526960A (ja) * 2002-02-13 2005-09-08 ミクロヴェレン テヒノロジー ウント ゼンソレン ゲゼルシャフト ミット ベシュレンクテル ハフツング 距離測定装置及び距離を決定するための方法
JP2006215693A (ja) * 2005-02-02 2006-08-17 Mitsubishi Electric Corp 監視システム
JP2008506134A (ja) * 2004-07-12 2008-02-28 シーメンス　アクチエンゲゼルシヤフト 半径方向隙間の隙間寸法の検出方法
JP2008249706A (ja) * 2007-03-29 2008-10-16 Hamilton Sundstrand Corp マイクロ波位置検知システムおよびマイクロ波を使用して位置を検知する方法
JP2009539110A (ja) * 2006-06-01 2009-11-12 ラダテック インコーポレイテッド マイクロ波センサーのためのピーク検出およびクラッター削減
JP2012141123A (ja) * 2010-12-30 2012-07-26 General Electric Co <Ge> 燃焼タービンエンジンの燃焼器において材料欠陥を検出する方法、システム及び装置
JP2016197089A (ja) * 2015-04-06 2016-11-24 新日本無線株式会社 非接触変位センサ装置

Families Citing this family (79)

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GB2117450B (en) * 1981-03-20 1984-06-27 Rolls Royce Casing support for a gas turbine engine
GB2116804B (en) * 1982-03-16 1986-03-26 Micro Control Tech Ltd Detecting irregularities in rotating masses
US4644270A (en) * 1982-08-31 1987-02-17 Westinghouse Electric Corp. Apparatus for monitoring housed turbine blading to obtain blading-to-housing distance
US4700127A (en) * 1984-05-02 1987-10-13 Nippon Soken, Inc. Microwave probe and rotary body detecting apparatus using the same
US4632635A (en) * 1984-12-24 1986-12-30 Allied Corporation Turbine blade clearance controller
US4611969A (en) * 1985-08-19 1986-09-16 Carrier Corporation Calibrating apparatus and method for a movable diffuser wall in a centrifugal compressor
US4847556A (en) * 1986-09-08 1989-07-11 Langley Lawrence W Eddy current clearance transducing system
US4827435A (en) * 1986-11-12 1989-05-02 Westinghouse Electric Corp. Blade pitch measurement apparatus and method
US4876505A (en) * 1988-05-27 1989-10-24 Westinghouse Electric Corp. Apparatus and method for monitoring steam turbine shroud clearance
US4896537A (en) * 1988-06-02 1990-01-30 Westinghouse Electric Corp. Shrouded turbine blade vibration monitor
US4887468A (en) * 1988-06-03 1989-12-19 Westinghouse Electic Corp. Nonsynchronous turbine blade vibration monitoring system
US4934192A (en) * 1988-07-11 1990-06-19 Westinghouse Electric Corp. Turbine blade vibration detection system
US4914953A (en) * 1988-11-07 1990-04-10 Westinghouse Electric Corp. Turbine blade vibration monitor for non-magnetic blades
US4971517A (en) * 1988-12-27 1990-11-20 Allied-Signal Inc. Turbine blade clearance controller
US5104287A (en) * 1989-09-08 1992-04-14 General Electric Company Blade tip clearance control apparatus for a gas turbine engine
US5018942A (en) * 1989-09-08 1991-05-28 General Electric Company Mechanical blade tip clearance control apparatus for a gas turbine engine
US5096375A (en) * 1989-09-08 1992-03-17 General Electric Company Radial adjustment mechanism for blade tip clearance control apparatus
DE3937912C2 (de) * 1989-11-15 2000-07-27 Rolls Royce Deutschland Abstandsmeßeinrichtung
US5054997A (en) * 1989-11-22 1991-10-08 General Electric Company Blade tip clearance control apparatus using bellcrank mechanism
US5056986A (en) * 1989-11-22 1991-10-15 Westinghouse Electric Corp. Inner cylinder axial positioning system
US5056988A (en) * 1990-02-12 1991-10-15 General Electric Company Blade tip clearance control apparatus using shroud segment position modulation
US5049033A (en) * 1990-02-20 1991-09-17 General Electric Company Blade tip clearance control apparatus using cam-actuated shroud segment positioning mechanism
US5228828A (en) * 1991-02-15 1993-07-20 General Electric Company Gas turbine engine clearance control apparatus
US5459405A (en) * 1991-05-22 1995-10-17 Wolff Controls Corp. Method and apparatus for sensing proximity of an object using near-field effects
US5670886A (en) * 1991-05-22 1997-09-23 Wolf Controls Corporation Method and apparatus for sensing proximity or position of an object using near-field effects
US5263816A (en) * 1991-09-03 1993-11-23 General Motors Corporation Turbomachine with active tip clearance control
DE4319318A1 (de) * 1993-06-11 1994-12-15 Abb Management Ag Gehäuse für eine als Energietauscher mit isochorer Verbrennung arbeitende Druckwellenmaschine
US5479826A (en) * 1994-06-17 1996-01-02 Westinghouse Electric Corporation Microwave system for monitoring turbine blade vibration
US5545007A (en) * 1994-11-25 1996-08-13 United Technologies Corp. Engine blade clearance control system with piezoelectric actuator
US5905380A (en) * 1995-05-08 1999-05-18 Eaton Corporation Electromagnetic wave, reflective type, low cost, active proximity sensor for harsh environments
US5600253A (en) * 1995-05-08 1997-02-04 Eaton Corporation At Eaton Center Electromagnetic wave reflective type, low cost, active proximity sensor for harsh environments
US5818242A (en) * 1996-05-08 1998-10-06 United Technologies Corporation Microwave recess distance and air-path clearance sensor
GB9620053D0 (en) * 1996-09-26 1996-11-13 Rolls Royce Plc Method and apparatus for measurement
DE19705769A1 (de) * 1997-02-14 1998-08-20 Siemens Ag Vorrichtung zur Überwachung von Radial- und Axialspalt an Turbomaschinen
GB2322988A (en) * 1997-03-06 1998-09-09 Marconi Gec Ltd Damage assessment using radar
GB2322987A (en) * 1997-03-06 1998-09-09 Marconi Gec Ltd Object detection in turbine influx or efflux
US6043774A (en) * 1998-03-25 2000-03-28 Honeywell Inc. Near-range proximity sensor having a fast-tracking analog
US6489917B2 (en) 2000-11-30 2002-12-03 Georgia Tech Research Corporation Phase-based sensing system
US6657217B2 (en) 2001-04-10 2003-12-02 York International Corporation Probe for sensing movement in a compressor system
US7146139B2 (en) * 2001-09-28 2006-12-05 Siemens Communications, Inc. System and method for reducing SAR values
US7053629B2 (en) * 2001-09-28 2006-05-30 Siemens Communications, Inc. System and method for detecting the proximity of a body
US6692222B2 (en) 2002-05-14 2004-02-17 The Board Of Trustees Of The Leland Stanford Junior University Micro gas turbine engine with active tip clearance control
US7270890B2 (en) * 2002-09-23 2007-09-18 Siemens Power Generation, Inc. Wear monitoring system with embedded conductors
GB2396438B (en) * 2002-12-20 2006-03-22 Rolls Royce Plc Rotor system
DE10359930A1 (de) * 2003-01-23 2004-08-05 Siemens Ag Verfahren zum Ermitteln der Beanspruchung von Schaufeln einer Strömungsmaschine während des Betriebs sowie entsprechende Vorrichtung zur Durchführung des Verfahrens
US6949939B2 (en) * 2003-06-10 2005-09-27 General Electric Company Methods and apparatus for measuring rotating machine clearances
DE202004007476U1 (de) * 2004-03-26 2004-09-02 Stabila-Meßgeräte Gustav Ullrich GmbH Vorrichtung zum Abbilden einer linienförmigen optischen Markierung
US7540704B2 (en) * 2004-06-23 2009-06-02 Kulite Semiconductor Products, Inc. Method and system for determining gas turbine tip clearance
US7283096B2 (en) 2005-02-11 2007-10-16 Radatec, Inc. Microstrip patch antenna for high temperature environments
US7455495B2 (en) * 2005-08-16 2008-11-25 United Technologies Corporation Systems and methods for monitoring thermal growth and controlling clearances, and maintaining health of turbo machinery applications
US9000777B2 (en) * 2005-12-14 2015-04-07 Hamilton Sunstrand System to measure time of arrival and thickness of rotor blades via microwave energy
DE102006033461A1 (de) * 2006-07-19 2008-01-31 Siemens Ag Radialspaltmessung an Turbinen
DE102006046696A1 (de) * 2006-09-29 2008-04-17 Siemens Ag Vorrichtung zur Bestimmung des Abstands zwischen mindestens einer Laufschaufel und einer die mindestens eine Laufschaufel umgebenden Wandung einer Strömungsmaschine
US7918642B2 (en) * 2007-01-10 2011-04-05 United Technologies Corporation Instrument port seal for RF measurement
US7927067B2 (en) * 2007-05-01 2011-04-19 United Technologies Corporation System and method for controlling stator assemblies
GB2455968B (en) * 2007-11-21 2010-06-09 Rolls Royce Plc Turbomachine having an apparatus to measure the clearance between a rotor blade tip and a stator liner of a stator casing
US20090136332A1 (en) * 2007-11-28 2009-05-28 Marshall Boates Hydraulic Apparatus
US20100043576A1 (en) * 2007-12-29 2010-02-25 Craig Terry A Apparatus for Measuring Blade Tip Clearance
US20090165540A1 (en) * 2007-12-29 2009-07-02 Craig Terry A Method for measuring blade tip clearance
GB0814877D0 (en) 2008-08-15 2008-09-17 Rolls Royce Plc Clearance and wear determination apparatus
DE102009009384B4 (de) * 2009-02-18 2010-11-04 Siemens Aktiengesellschaft Detektion von Druckschwankungen in einem heißen Medium auf Basis von Millimeterwellen
US8159396B2 (en) * 2009-10-30 2012-04-17 General Electric Company Wireless proximity probe and method of operating same
US8593156B2 (en) 2010-11-22 2013-11-26 General Electric Company Sensor assembly and microwave emitter for use in a sensor assembly
US8531191B2 (en) 2010-11-22 2013-09-10 General Electric Company Sensor assembly and methods of measuring a proximity of a machine component to a sensor
US20120126829A1 (en) * 2010-11-22 2012-05-24 Boris Leonid Sheikman Methods and systems for monitoring components using a microwave emitter
US8854052B2 (en) 2010-11-22 2014-10-07 General Electric Company Sensor assembly and method of measuring the proximity of a machine component to a sensor
US8624603B2 (en) 2010-11-22 2014-01-07 General Electric Company Sensor assembly and methods of adjusting the operation of a sensor
US8482456B2 (en) 2010-12-16 2013-07-09 General Electric Company Sensor assembly and method of measuring the proximity of a machine component to an emitter
US8742319B2 (en) 2011-12-13 2014-06-03 General Electric Company Sensor and inspection system deploying an optical conduit
US8961115B2 (en) * 2012-07-19 2015-02-24 United Technologies Corporation Clearance control for gas turbine engine seal
US9518850B2 (en) * 2012-09-28 2016-12-13 United Technologies Corporation Embedded cap probe
EP3048267B1 (en) 2014-12-23 2021-03-17 Rolls-Royce plc Waveguide for a gas turbine engine
US10411756B2 (en) 2017-04-06 2019-09-10 United Technologies Corporation Wave guide with fluid passages
US10307138B2 (en) 2017-04-06 2019-06-04 United Technologies Corporation Wave guide with electric power conduit
US10705198B2 (en) * 2018-03-27 2020-07-07 Infineon Technologies Ag System and method of monitoring an air flow using a millimeter-wave radar sensor
CN109141213B (zh) * 2018-09-08 2020-04-10 天津大学 一种基于微波扫频的叶尖间隙测量方法
US12307648B2 (en) * 2020-10-02 2025-05-20 Baker Hughes Oilfield Operations Llc Automated turbine blade to shroud gap measurement
US20240255383A1 (en) * 2023-02-01 2024-08-01 Raytheon Technologies Corporation Multi-measurement probe assembly
US20240310246A1 (en) * 2023-03-14 2024-09-19 Raytheon Technologies Corporation Multi-measurement probe assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52123261A (en) * 1976-03-15 1977-10-17 Gen Electric Noncontact type approach detection method and approach detector for mictowave

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US3199103A (en) * 1959-08-12 1965-08-03 Bendix Corp Displacement detector
FR1381735A (fr) * 1964-01-24 1964-12-14 Bendix Corp Procédé et dispositif soit de détection des déplacements d'un objet soit de mesure d'épaisseur, et applications
DE1807237A1 (de) * 1968-06-26 1970-04-23 Jenoptik Jena Gmbh Elektromagnetisches Streckenmessgeraet
GB1277748A (en) 1969-09-02 1972-06-14 Rolls Royce Improvements in or relating to proximity sensing apparatus
FR2160763B3 (enrdf_load_stackoverflow) * 1971-11-26 1974-08-19 Atomic Energy Authority Uk
SE383046B (sv) 1973-11-12 1976-02-23 G Hellgren Anordning for indikering av ett foremals legesforendringar
US3993995A (en) * 1975-12-08 1976-11-23 Rca Corporation Respiration monitor
CH609775A5 (enrdf_load_stackoverflow) * 1976-04-30 1979-03-15 Sulzer Ag
US4180329A (en) * 1978-03-23 1979-12-25 The United States Of America As Represented By The Secretary Of The Air Force Single blade proximity probe
GB2055269B (en) 1979-08-04 1983-10-05 Emi Ltd Checking the location of moving parts in a machine
GB2063001B (en) 1979-11-07 1984-04-26 Rolls Royce Microwave interferometer
US4326804A (en) * 1980-02-11 1982-04-27 General Electric Company Apparatus and method for optical clearance determination

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JPS52123261A (en) * 1976-03-15 1977-10-17 Gen Electric Noncontact type approach detection method and approach detector for mictowave

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907836A (en) * 1984-08-20 1990-03-13 Yazaki Corporation Wire harness mounting structure for motor vehicle door
US4869670A (en) * 1986-08-14 1989-09-26 Yazaki Corporation Wire harness arrangement for automotive vehicle
JPS63167032A (ja) * 1986-12-24 1988-07-11 ゼネラル・エレクトリック・カンパニイ ガスタービン機関
JP2005526960A (ja) * 2002-02-13 2005-09-08 ミクロヴェレン テヒノロジー ウント ゼンソレン ゲゼルシャフト ミット ベシュレンクテル ハフツング 距離測定装置及び距離を決定するための方法
JP2010019863A (ja) * 2002-02-13 2010-01-28 Astyx Gmbh 距離測定装置
JP2008506134A (ja) * 2004-07-12 2008-02-28 シーメンス　アクチエンゲゼルシヤフト 半径方向隙間の隙間寸法の検出方法
JP2006215693A (ja) * 2005-02-02 2006-08-17 Mitsubishi Electric Corp 監視システム
JP2009539110A (ja) * 2006-06-01 2009-11-12 ラダテック インコーポレイテッド マイクロ波センサーのためのピーク検出およびクラッター削減
JP2008249706A (ja) * 2007-03-29 2008-10-16 Hamilton Sundstrand Corp マイクロ波位置検知システムおよびマイクロ波を使用して位置を検知する方法
JP2011197010A (ja) * 2007-03-29 2011-10-06 Hamilton Sundstrand Corp マイクロ波位置検知システムおよびマイクロ波を使用して位置を検知する方法
JP2012141123A (ja) * 2010-12-30 2012-07-26 General Electric Co <Ge> 燃焼タービンエンジンの燃焼器において材料欠陥を検出する方法、システム及び装置
JP2016197089A (ja) * 2015-04-06 2016-11-24 新日本無線株式会社 非接触変位センサ装置

Also Published As

Publication number Publication date
DE3044242A1 (de) 1981-09-03
FR2471580A1 (fr) 1981-06-19
GB2065410A (en) 1981-06-24
US4384819A (en) 1983-05-24
GB2065410B (en) 1984-05-16
DE3044242C2 (enrdf_load_stackoverflow) 1992-05-27
FR2471580B1 (fr) 1986-02-21

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